Nice To Meat You

What springtime event (that gets its name from the latin phrase for "farewell to meat") occurs just before a religious fasting season?

On 3/1/1872, Congress passed a law creating the first National Park in the World. What park was it?
Bonus: What President signed the bill (NOT Teddy Roosevelt)?

Picture Is Slightly Related

The existence of what famous animal (that was real, not mythical) was announced on 2/23/1997?

Truncated Isosohedron

What common object's surface consists of 12 pentagons and 20 hexagons?

People from what country are called Ivorians?